πρὸ τῆς φύσεως ἥκειν εἰς θάνατον → die before the natural term, die before one's time
subs.
Use adj., P. and V. κακοῦργος, or use participles of verb sin, P. and V. ὁ ἁμαρτάνων, ὁ ἐξαμαρτάνων.